diff options
Diffstat (limited to 'samples/bpf/trace_event_user.c')
-rw-r--r-- | samples/bpf/trace_event_user.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/samples/bpf/trace_event_user.c b/samples/bpf/trace_event_user.c index 9a130d31ecf2..0c5561d193a4 100644 --- a/samples/bpf/trace_event_user.c +++ b/samples/bpf/trace_event_user.c @@ -20,6 +20,7 @@ #include <sys/resource.h> #include "libbpf.h" #include "bpf_load.h" +#include "perf-sys.h" #define SAMPLE_FREQ 50 @@ -61,14 +62,14 @@ static void print_stack(struct key_t *key, __u64 count) int i; printf("%3lld %s;", count, key->comm); - if (bpf_lookup_elem(map_fd[1], &key->kernstack, ip) != 0) { + if (bpf_map_lookup_elem(map_fd[1], &key->kernstack, ip) != 0) { printf("---;"); } else { for (i = PERF_MAX_STACK_DEPTH - 1; i >= 0; i--) print_ksym(ip[i]); } printf("-;"); - if (bpf_lookup_elem(map_fd[1], &key->userstack, ip) != 0) { + if (bpf_map_lookup_elem(map_fd[1], &key->userstack, ip) != 0) { printf("---;"); } else { for (i = PERF_MAX_STACK_DEPTH - 1; i >= 0; i--) @@ -98,10 +99,10 @@ static void print_stacks(void) int fd = map_fd[0], stack_map = map_fd[1]; sys_read_seen = sys_write_seen = false; - while (bpf_get_next_key(fd, &key, &next_key) == 0) { - bpf_lookup_elem(fd, &next_key, &value); + while (bpf_map_get_next_key(fd, &key, &next_key) == 0) { + bpf_map_lookup_elem(fd, &next_key, &value); print_stack(&next_key, value); - bpf_delete_elem(fd, &next_key); + bpf_map_delete_elem(fd, &next_key); key = next_key; } @@ -111,8 +112,8 @@ static void print_stacks(void) } /* clear stack map */ - while (bpf_get_next_key(stack_map, &stackid, &next_id) == 0) { - bpf_delete_elem(stack_map, &next_id); + while (bpf_map_get_next_key(stack_map, &stackid, &next_id) == 0) { + bpf_map_delete_elem(stack_map, &next_id); stackid = next_id; } } @@ -125,9 +126,9 @@ static void test_perf_event_all_cpu(struct perf_event_attr *attr) /* open perf_event on all cpus */ for (i = 0; i < nr_cpus; i++) { - pmu_fd[i] = perf_event_open(attr, -1, i, -1, 0); + pmu_fd[i] = sys_perf_event_open(attr, -1, i, -1, 0); if (pmu_fd[i] < 0) { - printf("perf_event_open failed\n"); + printf("sys_perf_event_open failed\n"); goto all_cpu_err; } assert(ioctl(pmu_fd[i], PERF_EVENT_IOC_SET_BPF, prog_fd[0]) == 0); @@ -146,9 +147,9 @@ static void test_perf_event_task(struct perf_event_attr *attr) int pmu_fd; /* open task bound event */ - pmu_fd = perf_event_open(attr, 0, -1, -1, 0); + pmu_fd = sys_perf_event_open(attr, 0, -1, -1, 0); if (pmu_fd < 0) { - printf("perf_event_open failed\n"); + printf("sys_perf_event_open failed\n"); return; } assert(ioctl(pmu_fd, PERF_EVENT_IOC_SET_BPF, prog_fd[0]) == 0); |